car outlet adjusted 4

apps/abstraction/main.py

@@ -180,18 +180,10 @@ async def handle_abstract_set(
     
     # Transform abstract payload to vendor-specific format
     vendor_payload = transform_abstract_to_vendor(device_type, device_technology, abstract_payload)
-    
-    # For MAX! thermostats and Shelly relays, vendor_payload is a plain string
-    # For other devices, it's a dict that needs JSON encoding
-    if (device_technology == "max" and device_type == "thermostat") or \
-       (device_technology == "shelly" and device_type == "relay"):
-        vendor_message = vendor_payload  # Already a string
-    else:
-        vendor_message = json.dumps(vendor_payload)
-    
-    logger.info(f"→ vendor SET {device_id}: {vendor_topic} ← {vendor_message}")
-    logger.debug(f"MQTT message published on {vendor_topic}: {vendor_message}")
-    await mqtt_client.publish(vendor_topic, vendor_message, qos=1)
+        
+    logger.info(f"→ vendor SET {device_id}: {vendor_topic} ← {vendor_payload}")
+    logger.debug(f"MQTT message published on {vendor_topic}: {vendor_payload}")
+    await mqtt_client.publish(vendor_topic, vendor_payload, qos=1)
 
 
 async def handle_vendor_state(